-6 + 5x - 2x + 9x + 6

What is the solution to the equation below? 3/x-2+6=square root x-2 +8

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

To decrease an amount by 16% what single multiplier would you use